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UCC2541RHBT PDF预览

UCC2541RHBT

更新时间: 2024-11-08 08:26:03
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器功效
页数 文件大小 规格书
43页 681K
描述
HIGH-EFFICIENCY SYNCHRONOUS BUCK PWM CONTROLLER

UCC2541RHBT 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN, LCC32,.2SQ,20针数:32
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
其他特性:AVERAGE CURRENT MODE OPERATION IS ALSO POSSIBLE模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:35 V最小输入电压:8.5 V
标称输入电压:12 VJESD-30 代码:S-PQCC-N32
长度:5 mm功能数量:1
端子数量:32最高工作温度:105 °C
最低工作温度:-40 °C最大输出电流:3.5 A
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装等效代码:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:SINGLE最大切换频率:330 kHz
技术:BIPOLAR温度等级:INDUSTRIAL
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:5 mmBase Number Matches:1

UCC2541RHBT 数据手册

 浏览型号UCC2541RHBT的Datasheet PDF文件第2页浏览型号UCC2541RHBT的Datasheet PDF文件第3页浏览型号UCC2541RHBT的Datasheet PDF文件第4页浏览型号UCC2541RHBT的Datasheet PDF文件第5页浏览型号UCC2541RHBT的Datasheet PDF文件第6页浏览型号UCC2541RHBT的Datasheet PDF文件第7页 
SLUS621A − AUGUST 2004 − SEPTEMBER 2005  
ꢇꢈ ꢉ ꢇꢊꢋ ꢌꢌ ꢈ ꢁꢈꢋ ꢍꢁꢎ ꢏꢎ ꢍꢁꢇꢐꢑ ꢍꢑ ꢀꢏ ꢒꢀꢁ ꢓ  
ꢔꢕ ꢖ ꢁꢑ ꢍꢗ ꢐꢑ ꢘ ꢘꢋ ꢐ  
FEATURES  
APPLICATIONS  
D
On-Chip Predictive Gate Drivet for  
High-Efficiency Synchronous Buck  
Operation  
D
High Efficiency Non-Isolated Converters  
Requiring Advanced Features such as  
Pre-Bias Support and Tracking Capability  
D
D
Dual 3-A TrueDrivet Outputs  
D
D
Point-of-Load Modules for Servers, Telecom,  
and Data communication Equipments  
On-Board Programmable Oscillator with  
1-MHz Frequency Operation  
Good for Input Voltages of 3.3 V, 5.0 V,  
12.0 V, or Intermediate Bus Voltages  
D
TR Input for Sequencing Operation  
D
Overcurrent Protection using a Parallel  
Average Current Mode Control Loop  
DESCRIPTION  
The UCC2541 is a synchronous buck PWM  
controller for high current and low output voltage  
applications.  
D
D
D
D
D
D
3 Modes to Support 2.7-V to 35-V Input Bias  
Reverse Current Protection for Output Stage  
User Programmable Shutdown Using SS Pin  
1.0% Initial Tolerance Bandgap Reference  
High Bandwidth Error Amplifiers  
For higher efficiency, it incorporates the Predictive  
Gate Drivet technology that virtually eliminates  
body diode conduction losses in synchronous  
rectifiers.  
Thermally Enhanced HTSSOP 20-Pin  
PowerPADt Package and QFN−32 Pin  
D
Synchronization Input  
D
Supports Pre-Bias Applications  
SIMPLIFIED APPLICATION DIAGRAM  
UCC2541  
1
RSET  
20  
SWS  
VIN  
2
BST 19  
REF  
3
18  
17  
G2C  
G1  
4
SYNCIN  
RAMP  
SW  
5
VDD 16  
VOUT  
6
GND  
VEA−  
CEA−  
COMP  
TR  
15  
14  
13  
12  
11  
PGND  
G2  
7
8
VDRV  
G2S  
9
TR Input  
10  
SS  
Predictive Gate Drive, TrueDriveand PowerPADare trademarks of Texas Instruments Incorporated.  
ꢗꢦ  
Copyright 2004, Texas Instruments Incorporated  
ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
1
www.ti.com  

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